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# Test that operators which could be interpreted as two separate operators... are not.
class TestOperatorLookahead < Test::Unit::TestCase
  include Nasl::Test

  def assert_lookahead str
    assert_equal(tokenize(str).get_token.last.to_s, str)
  end

  def test_arithmetic
    assert_lookahead("/=")
    assert_lookahead("+=")
    assert_lookahead("-=")
    assert_lookahead("*=")
    assert_lookahead("%=")
  end

  def test_equality
    assert_lookahead(">=")
    assert_lookahead("<=")
    assert_lookahead("==")
    assert_lookahead("!=")
  end

  def test_substr_and_regex
    assert_lookahead(">!<")
    assert_lookahead("><")
    assert_lookahead("!~")
    assert_lookahead("=~")
  end

  def test_shifts
    assert_lookahead(">>=")
    assert_lookahead(">>>=")
    assert_lookahead("<<=")
    assert_lookahead(">>>")
    assert_lookahead("<<")
    assert_lookahead(">>")
  end

  def test_prefix_postfix
    assert_lookahead("--")
    assert_lookahead("++")
  end

  def logical
    assert_lookahead("||")
    assert_lookahead("&&")
  end
end
